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HEALTHKNIT / Thermal King Waffle Crewneck Long Sleeve
Introducing the Crewneck Long Sleeve from HEALTHKNIT, featuring a revival of the iconic Thermal King waffle fabric originally introduced in the 1960s.
Drawing inspiration from original vintage pieces, this garment features substantial waffle fabric made from specially commissioned yarns. Classic details, including tuck-stitched ribbing and four-needle flatlock seams, capture the character of the original design.
With its comfortably relaxed fit, this versatile piece works well on its own in autumn or as a base layer in winter. Combining vintage character with everyday wearability, it’s an easy addition to any cold-weather wardrobe.
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HEALTHKNIT
Founded in 1900 in Knoxville, Tennessee, HEALTHKNIT began as a manufacturer of high-quality knitted underwear. Known for its signature Henley neck T-shirts, the brand continues to emphasize carefully managed production, from premium raw materials sourced in the American South to spinning and sewing.


The Revival of Thermal King Waffle
Originally introduced in the 1960s, Thermal King has earned a lasting reputation among vintage clothing enthusiasts.
By carefully studying the original fabric and developing specially commissioned yarns, HEALTHKNIT has faithfully recreated its distinctive, substantial waffle texture for modern wear.
The raised texture adds subtle character, even when worn on its own. Simply pair it with denim or military pants for an effortlessly stylish Americana-inspired look.
The Natural Comfort of 100% Cotton
Made from 100% cotton, this piece offers a natural feel against the skin, unlike synthetic base layers. Its comfortable texture makes it ideal for wearing directly against the body.
With repeated wear, it becomes increasingly comfortable and familiar, making it an easy choice for everyday wear.
Flat Seams Designed for Comfort Against the Skin
Flatlock stitching minimizes bulk at the seams, creating a smooth, low-profile finish. This construction helps reduce friction and bulk when layering, ensuring a comfortable feel even when worn directly against the skin as an undershirt.
The classic crew neckline offers a clean, understated appearance, making it equally suitable for wearing on its own or as a base layer.
Ribbed cuffs provide a comfortable fit around the wrists while minimizing excess fabric when layered beneath other garments.
The clean, simple hem works equally well tucked in or left untucked, creating a naturally balanced look when worn on its own.
A Silhouette Designed to Be Worn on Its Own
The fit offers just the right amount of room, making this piece suitable not only as an inner layer but also as a standalone top.
Retaining the authentic character of a vintage thermal while incorporating modern proportions, the silhouette avoids clinging too closely to the body. Wear it alone in early autumn or as a comfortable layering piece throughout winter.


SIZE
※Check out the size guide for more accurate measurements.
Staff comment
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●Staff Height / Weight: 165cm / 64kg Size Worn: M Body Type: Slim (Narrow Shoulders) Fit: Relaxed Length: Slightly Long There's plenty of room through the shoulders and body. The sleeves finish neatly at my wrists, while the hem falls slightly over my hips. |
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●Staff Height / Weight: 171cm / 70kg Size Worn: L Body Type: Regular Fit: Relaxed Length: Just Right The shoulders and body are slightly roomy, offering a comfortable amount of space around the shoulders and chest. Both the sleeve and body lengths feel well balanced. |
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●Staff Height / Weight: 177cm / 73kg Size Worn: L Body Type: Regular Fit: True to Size Length: Just Right The shoulders have a clean, streamlined fit, while the body offers just the right amount of room. Both the sleeve and body lengths fit perfectly. |
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●Staff Height / Weight: 181cm / 78kg Size Worn: XL Body Type: Broad Build (Broad Shoulders) Fit: True to Size Length: Just Right Even with my broad shoulders, the fit feels comfortable without any tightness. The sleeves and body are well proportioned, creating a clean silhouette without looking oversized. |
SPEC
| Materials | 100% cotton |
|---|---|
| Country of Origin | CHINA |
| Model Wearing | Wearing size L(178cm/70kg) |
| Care Instructions | ※Please note that the colours may look different from the real thing depending on your monitor environment. |
| Weight | 490g |
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